. >> host: well, the first call for our guests comes from carl in elizabeth, new jersey. carl, you're on booktv. please, go ahead. >> caller: thank you, peter. this is a great privilege. just a week ago i got mr. smith's book on eisenhower out of the local library, and i'm absorbed in it, and i've also, i'm in the middle of drafting a letter to david and to his father. and now that i see the two eisenhowers on stage together, it's going to have a third addressee, ms. eisenhower as well. i have a specific -- i also want to say that my earliest political memory is my mother weeping when general eisenhower was nominated at the '52 republican convention, so that gives away what my age might be, but i have a serious question concerning how history is recorded regarding the u2 incident of may 1, 1960. and i have reference to a memo of general goodpastor who was an aide to president eisenhower writing that after checking with the president i informed mr. bissell of the cia that one additional operation, a u2 operation, may be undertaken provided it is carried out prior to may 1s